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DENIUS [597]
3 years ago
8

What is the arc length when 0=3pi over 5 and the radius is 7?

Mathematics
1 answer:
Mashutka [201]3 years ago
4 0
L=0×r
l=3π/5×7
l=22×3×7÷7÷5
l=66/5
l=13.2 units
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Danella makes $13 an hour. If she makes time and half in overtime, what is her overtime rate?
dlinn [17]

Answer:

Her overtime rate would be $19.5.

Step-by-step explanation:

Half of 13 is 6.5. If you add that to the $13 she makes, it would be $19.5.

8 0
2 years ago
Describe in words the region of R3 reperesented by the equations or inequalities y2+z2=16
Anastasy [175]

Answer:

It represents an infinite cylinder of radius 4.

Step-by-step explanation:

The first thing to notice is that

y^2+z^2=4^2

<u>represents a circle of radius 4</u>, with its center in the origin of a plane yz, of cartesians coordinates.

Starting from here, we have to put the coordinate x, for all values of x, to complete the space R³. <em>This will enlarge this circle we had on the plane, to infinity</em> (positive and negative on the x-axis).

Finally, we have that this region is a cylinder of radius 4, with center in y=0 and z=0, and of infinite length in the x coordinates.

5 0
3 years ago
Suppose you draw a card from a well shuffled deck of playing cards what is probability of drawing a ace
Tasya [4]
So there are a totally of 52 cards right?(not counting jokers because jokers are not in official cards)
And there are 4 aces right?
So there are 52 outcomes and 4 of them are aces.
So when we write probabilities we write it in fraction form where the total number of outcomes is the denominator and the ones you want to get are the numerator OK?
So the total number is outcomes is 52 and becomes the denominator and 4 the number of aces become the numerator.
So 4/52 right?
And we now have to simplify it right?
And so we divide by the highest common factor right?
In this case 4 because there isn’t other numbers that are factors and greater than 4.
So 4 divided by 4/52 is 1/13 right?
4 goes into 4 1 time and 13 times into 52.
So your answer is 1/13
3 0
3 years ago
3x-7&gt;5<br> Find the solution, please show your work. Thank You!1
miskamm [114]
To find x just change the <span>> to a =
</span><span>3x-7=5
add 7
3x=12
then divide by 3
x=4

</span>

7 0
2 years ago
Read 2 more answers
What is the multiplication inverse of 1/4 A. 1.8<br> B. 1/2<br> C. 4 <br>D 8/1​
Arada [10]

The inverse of 1/4 is 4.

Choice C

5 0
3 years ago
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